Organic el panel, method for producing same, and color filter substrate

Active Publication Date: 2016-09-22
JOLED INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present patent describes an organic EL panel that includes a moisture absorbent layer made of magnesium oxide that is obtained by vapor deposition at a low temperature. The use of a low substrate temperature helps to prevent damage to the colored layers in the panel while reducing the difference in refractive index between the moisture absorbent layer and the resin layer. This results in a better utilization efficiency of emitted light and prevents thermal degradation of the colored layers.

Problems solved by technology

Organic EL elements have an advantage of being highly visible resulting from self-luminescence, but have a disadvantage of being vulnerable to moisture.
Accordingly, moisture intrusion from inside and outside an organic EL panel might cause generation of non-light emitting parts (dark spots) in a display region of the organic EL panel or decrease in luminance of the display region.

Method used

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  • Organic el panel, method for producing same, and color filter substrate
  • Organic el panel, method for producing same, and color filter substrate
  • Organic el panel, method for producing same, and color filter substrate

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Aspect of the Disclosure

[0018]One aspect of the present disclosure provides an organic EL panel comprising: an organic EL substrate that includes a first substrate and organic EL elements disposed on the first substrate; a color filter substrate that includes a second substrate and colored layers disposed on the second substrate; and a resin layer, wherein the organic EL substrate and the color filter substrate are adhered to each other via the resin layer such that the organic EL elements and the colored layers face each other, the color filter substrate further includes a moisture absorbent layer, the moisture absorbent layer being vapor-deposited on the colored layers, facing the resin layer, and containing magnesium oxide, and a temperature of the second substrate during vapor deposition of the moisture absorbent layer is 200 degrees Celsius or lower.

[0019]Also, according to the one aspect of the present disclosure, the moisture absorbent layer may further include at least one o...

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Abstract

An organic EL panel includes: an organic EL substrate; a color filter substrate; and a resin layer, wherein the organic EL substrate and the color filter substrate are adhered to each other via the resin layer, the color filter substrate further includes a moisture absorbent layer, the moisture absorbent layer being vapor-deposited on the colored layers, facing the resin layer, and containing magnesium oxide, and a temperature of the second substrate during vapor deposition of the moisture absorbent layer is 200 degrees Celsius or lower.

Description

TECHNICAL FIELD[0001]The present disclosure relates to an organic EL panel, a method of manufacturing the same, and a color filter substrate.BACKGROUND ART[0002]In recent years, there have been increasingly widespread organic EL panels including organic EL elements formed on a substrate. Commercialization of organic EL televisions seems to be nearing reality. Colorization methods of organic EL panels includes a known method of combining organic EL elements of the top emission type and a color filer (hereinafter, abbreviated as CF) substrate. According to this method, specifically, an organic EL substrate on which the organic EL elements are formed and the CF substrate on which colored layers are formed are adhered to each other via a resin layer such that the organic EL elements and the colored layers face each other. The organic EL elements of the top emission type employing the CF method fall into two types of organic EL elements emitting white light and organic EL elements each e...

Claims

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Application Information

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IPC IPC(8): H01L51/52G02B1/18G02B5/20H01L27/32H01L51/00
CPCH01L51/5246H01L27/322H01L51/5259H01L51/52H01L2251/303H01L27/3211H01L51/5284G02B5/201G02B1/18H01L51/0024H10K59/35H10K59/38H10K71/50H10K50/846H10K50/865H10K50/8426H10K50/80H10K2102/00
InventorONIMARU, TOSHIAKISHIMAMURA, TAKAYUKI
OwnerJOLED INC